Ladder



FIG. 1 is a front perspective view of a ladder according to a firstembodiment of my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is bottom view thereof;

FIG. 9 is a front perspective view of a ladder according to a secondembodiment of my new design;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is bottom view thereof;

FIG. 17 is a front perspective view of a ladder according to a thirdembodiment of my new design;

FIG. 18 is a rear perspective view thereof;

FIG. 19 is a front view thereof;

FIG. 20 is a rear view thereof;

FIG. 21 is a right side view thereof;

FIG. 22 is a left side view thereof;

FIG. 23 is a top view thereof; and,

FIG. 24 is bottom view thereof.

The broken lines illustrate portions of the ladder that form no part ofthe claimed design.

CLAIM The ornamental design for a ladder, as shown and described.